Patents
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
05/2001
05/23/2001DE10042920A1 Current detector for motor vehicles, has substrate to support linear conductors parallel to another conductor in which current flow has to be measured, and Hall element is mounted orthogonally on that conductor
05/22/2001US6236216 Temperature/voltage detecting unit and battery element unit
05/22/2001US6236215 Cell voltage detection circuit, and method of detecting cell voltage
05/16/2001EP1099119A1 Signalling system
05/16/2001CN2430693Y Acoustic-optic electric test pencil
05/16/2001CN1295253A High-accuracy current measuring method
05/15/2001US6232816 Signal level monitoring circuit
05/15/2001US6232802 Selective sampled peak detector and method
05/15/2001US6232789 Probe holder for low current measurements
05/15/2001US6232781 False-closure detection device for electrical consumers
05/15/2001US6232762 Method and apparatus for determining the energy of a signal
05/10/2001WO2001033234A1 Detector for high intensity electrical currents
05/10/2001DE10050511A1 Pressure sensor with control device for measuring fluid pressure, has source current adjuster which alters value of source current flowing through DC input connections, according to different types of pressure sensor elements
05/09/2001EP1004027A4 Magnetic current sensing and short circuit detection in plate structure
05/09/2001CN1294683A Voltage indicator for indicating that voltage of battery passes given value
05/08/2001US6229456 Method and apparatus for facilitating user interaction with a measurement instrument using a display-based control knob
05/08/2001US6229450 Power interruption monitoring apparatus
05/08/2001US6229446 Alarm apparatus
05/08/2001US6229351 Current measuring device and telephone terminal using such a current measuring device
05/08/2001US6229266 Voltage level indicator
05/03/2001WO2001031718A2 Shunt resistance device for monitoring battery state of charge
05/03/2001WO2001031681A1 Method and apparatus for eliminating displacement current from current measurements in a plasma processing system
05/03/2001WO2001031351A1 Highly configurable capacitive transducer interface circuit
05/03/2001DE19946935A1 Vorrichtung zur Strommessung mit magnetfeldempfindlichen Differenzsensoren aus mindestens zwei Hallsensoren A device for current measurement by magnetic field-sensitive sensors difference of at least two Hall sensors
05/02/2001EP1096455A1 Non-isolated type voltage sensor
05/02/2001EP1096262A2 Current detector
05/02/2001EP1073984A4 Apparatus and method for improved dynamic range and response time in a logarithmic amplifier
05/02/2001CN2428780Y Video comprehesive test instrument
05/02/2001CN2428779Y Multifunction needle-shape electroprobe
05/02/2001CN1293370A Battery voltage measuring device
05/02/2001CN1293357A Prssure, sensor, pressure sensor control device and pressure sensor system
05/01/2001US6225860 Source voltage detecting circuit
05/01/2001US6225779 Power supply monitoring integrated circuit device for individually monitoring voltages of cells
05/01/2001CA2160655C Data collection and processing for digital ac power system monitor/analyzer
04/2001
04/25/2001EP1094327A1 Battery voltage measuring device
04/25/2001EP1093680A1 Adaptive sampling rate based on power system frequency
04/25/2001CN2427916Y Self-protection type lightning arrestor module
04/25/2001CN1292876A Simultaneous display of primary measurement values and derived parameters
04/24/2001US6222712 Device having processor means and having undervoltage detection means
04/24/2001US6222398 Voltage detecting circuit
04/24/2001CA2117344C Current sensor
04/19/2001WO2001028101A1 Digital peak detector with noise threshold and method
04/19/2001WO2001027641A1 Measurement of current in a vehicle using battery cable as a shunt
04/19/2001WO2001027639A1 Sensor for detecting high-frequency oscillations of a voltage and an arrangement of a sensor
04/19/2001DE19950137A1 Surge detector for power supply senses the width or numbers of surge to protect the host processor from damage
04/19/2001DE19949700A1 Rectification circuit for clocked AC voltage has shaping circuit operating at variable clock rate
04/19/2001DE19943365A1 Comparator for processing input signal wrt. threshold signal, with two comparator circuits
04/19/2001CA2386907A1 Measurement of current in a vehicle using battery cable as a shunt
04/18/2001EP1093220A1 Method of anomalous offset detection and circuit
04/18/2001EP1092160A1 Residual current detection device
04/18/2001EP1092159A1 Layered current sensor
04/18/2001EP1092158A1 Current detector and current measurement apparatus including such detector
04/18/2001EP1068541A4 Magnetic digital signal coupler
04/18/2001CN1291724A Automatic sampling correction method for voltage of battery
04/17/2001US6218825 Current sensor with self-oscillating generator circuit
04/17/2001CA2130825C Method and sensor for measuring electric voltages and/or electric field intensities
04/12/2001WO2001006265A3 Method for determining the amplitude and angle of phase of a measuring signal corresponding to the current or voltage of an electric power distribution system
04/12/2001DE19944985A1 Messverfahren zur Strommessung mit Rauschunterdrückung Measurement method for current measurement with noise reduction
04/12/2001DE10038645A1 Current detector for motor vehicle, detects variation in angle of magnetic surface of hall element based on electrical signal output by hall element
04/11/2001EP1091214A2 Method and device for processing measuring signals
04/11/2001CN2426609Y High voltage equipment electric parameter measuring device
04/11/2001CN1290860A Wave form time calibrating method for digital artefact minimizing in time space distribution measuring results
04/10/2001US6215435 Linear current sensing circuit for motor controller
04/10/2001US6215338 Monitoring of low currents through a low-side driver DMOS by modulating its internal resistance
04/10/2001US6215335 Nonoverlapping phased, resettable, peak detector
04/10/2001US6215302 Preamplifier and method for measuring resistance of a resistive transducer
04/10/2001US6215301 Magnetoresistive detector comprising a layer structure and a current directing means
04/05/2001WO2001023899A1 Device for measuring current comprising differential sensors which are sensitive to magnetic fields and which are comprised of at least two hall sensors
04/04/2001CN1064131C DC current sensor
04/04/2001CA2322101A1 Alarm system for detecting hazards due to power transmission lines
04/03/2001US6211656 Method and device for determining the charging current of an accumulator
03/2001
03/30/2001CA2321408A1 Multiport power monitor
03/29/2001WO2001022101A1 Method for measuring the current with noise rejection
03/29/2001WO2001022099A1 Automatic monitoring of high voltage signals
03/29/2001WO2001006268A8 Electron density measurement and control system using plasma-induced changes in the frequency of a microwave oscillator
03/28/2001EP1087509A2 System and method for determining output current and converter employing the same
03/28/2001EP1086477A1 Input circuit for relatively high current ac signals to be monitored
03/28/2001EP1086381A1 System for digital measurement of breakdown voltage of high-voltage samples
03/28/2001EP1086380A1 System for concurrent digital measurement of peak voltage and rms voltage in high voltage system
03/28/2001CN1289047A Method for time-marking of waveshape edge of input signals
03/27/2001US6208496 Lightening arrester in a discharge counter to protect a power system and an electric apparatus from overvoltage connected in parallel to nonlinear resistor of zinc oxide, bismuth oxide, and titanium oxide and capacitor material
03/27/2001US6208242 Circuit configuration to monitor a regulated output voltage in a motor vehicle
03/27/2001US6208175 Circuit arrangement for the evaluating a binary signal defined by current threshold values
03/27/2001US6208173 Peak detector
03/27/2001CA2148076C Power monitor apparatus and method with object oriented structure
03/22/2001WO2001020358A1 Method and apparatus for calibrating a current sensing system
03/22/2001DE19938779A1 Schaltung zur Messung des Spulenstroms eines elektromagnetischen Stellgerätes und Verfahren zur Bestimmung des Offsetfehlers Circuit for measuring the coil current of an electromagnetic actuating device and method for determining the offset error
03/21/2001EP1085329A2 Method of time stamping a waveform edge of an input signal
03/21/2001EP1085328A2 Method of waveform time stamping for minimizing digitization artifacts in time interval distribution measurements
03/21/2001CN2424470Y Non-capacity core rod type high voltage charge display
03/21/2001CN2424469Y Multipurpose electronic test pencil
03/21/2001CN1063596C Method for measuring phase currents in inverter, and inverter using this method
03/20/2001US6205197 Programmable supervisory circuit and applications therefor
03/20/2001US6204719 RMS-to-DC converter with balanced multi-tanh triplet squaring cells
03/20/2001US6204716 Transient signal detector
03/20/2001US6204699 Voltage detection circuit
03/20/2001CA2148075C High accuracy power monitor and method
03/15/2001DE19936214A1 Measurement procedure and circuit for a power network circuit breaker, for detecting when a load is switched on again and re- connecting a network so power can be drawn, based on a change in applied voltage or supplied current
03/14/2001EP1082806A1 Method and circuit for power detection in electronically switched electric motors
03/14/2001CN1287271A Full-wave level detector of integrated circuit